Refrigerator



FIG. 1 is a front perspective view of a refrigerator showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a front perspective view of a second embodiment of a refrigerator;

FIG. 7 is a front view thereof;

FIG. 8 is a left side view thereof;

FIG. 9 is a right side view thereof;

FIG. 10 is a top view thereof;

FIG. 11 is a front perspective view of a third embodiment of a refrigerator;

FIG. 12 is a front view thereof;

FIG. 13 is a left side view thereof;

FIG. 14 is a right side view thereof; and,

FIG. 15 is a top view thereof. 

CLAIM The ornamental design for a refrigerator, as shown and described. 